1. Mortenson, K.E., and Borrego, J.M.: Design, performance and applications of microwave semiconductor control components, (Artech House Inc. 1972), p. 140–149
2. BROWN, W.D.: ‘Semiconductor degradation by high amplitude current pulses’. Sandia Labs., Document Dc-DC-72-2288, Albuquerque, NM, USA, July 1972